New details have emerged surrounding Brandon Blackstock's death. It's been more than a week now since Kelly Clarkson's ex-husband tragically passed away at just 48 years old. Silver Bow County Coroner Dan Hollis revealed on Monday in a statement to People that Brandon died in "Butte, Montana on August 7th under hospice care surrounded by his family." His cause of death was determined to be the result of melanoma, a form of skin cancer. Related: Dolly Parton Shares Grief Advice For Kelly Clarkson After Brandon's Death According to the report, Brandon died at 11:13 a.m. local time in his home.